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Stanford SG380 RF Signal Generator

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Stanford SG380 RF Signal Generator

Stanford Research Systems

Introducing the new SG380 Series RF Signal Generator - finally, a high performance, affordable RF source.

The SG380 series uses a unique, innovative architecture (Rational Approximation Frequency Synthesis) to deliver ultra-high frequency resolution (1µHz), excellent phase noise, and versatile modulation capabilities (AM, FM, ØM, pulse modulation and sweeps) at a fraction of the cost of competing designs.


  • DC to 2GHz, 4GHz, 6GHz
  • 1µHz resolution
  • AM, FM, ØM, PM and sweeps
  • OCXO timebase (std.)
  • -116 dBc/Hz SSB phase noise (20kHz offset, f= 1GHz)
  • Rubidium timebase (opt.)
  • Square wave clock outputs (opt.)
  • Analog I/Q inputs (opt.)
  • Ethernet, GPIB and RS-232 interfaces

The standard models produce sine waves from DC to 2.025GHz (SG382), 4.05GHz (SG384) and 6.075GHz (SG386). There is an optional frequency doubler (Opt 02) that extends the frequency range of the SG384 and SG386 to 8.10 GHz. Low-jitter differential clock outputs (Opt 01) are available and an external I/Q modulation input (Opt 3) is also offered. For demanding applications, the SG384 can be ordered with a rubidium time base (Opt 04).


          SG384 datasheet                                           Read more on Stanford's website